Lower caption partially cut off. Article in RBC AP3.U5 vol.2 (1748), pp.135-138. Key to image, p.136: "The Plate of the Second View of Practical Chymistry explained. 1. An iron hook to clear the grate with. 2,3,4, several sorts of tongs. 5, Iron rings to break glasses with. 6, A black-lead crucible. 7, A furnace for distilling hartshorn in quantity: a is the earthen head: b the body of the furnace, containing an iron pot. 8, A digesting furnace: a is a balneum at the end of the furnace: b, the sand bath. 9, The Balneum Mariae. 10, a melting furnace: a,b, are two small doors to the fire-place to be opened occasionally, when it is necessary only to inspect the matter acted on by the fire, or to add fuel: c a large door to be opened, when a crucible is to be set in or taken out of the furnace. 11, A small furnace, in which flowers of sulphur are sublimed in small quantities: a,a, are two receivers: b is an earthen or iron head: c is the vessel which contains the sulphur in the furnace. 12, a plain glass bell for making spirit of sulphur: a is a vessel containing burning sulphur, with a receiver under it. 13, a more commodious apparatus for making spirit of sulphur: a is a large retort with a hole in its bottom, and running into a tubulated receiver, with the spout upwards: e a glass mortar: d a concave glass plate, with a hole in the middle: c a gallipot inverted over the perforation in d. b A crucible containing burning sulphur."